This is one of the most beautiful necklaces I have ever seen!  Absolutely gorgeous Ethiopian Opals!  Look at the fire and color in these stones!  There are too many to count!  Each one is handset into .925 Sterling Silver.  This will fit a neck between 16-18 inches, as it has an extender on the back.  You can adjust this to your neckline.  This is simply stunning and I will be sorry when it sells as I will likely never have another at an affordable price!  I also have a matching bracelet, so be sure and look for that!  You will definitely want to get both!